;/*
; * Copyright (C) 2004-2005, Marko Panger
; *
; * Redistribution and use in source and binary forms, with or without
; * modification, are permitted provided that the following conditions
; * are met:
; *
; * 1. Redistributions of source code must retain the above copyright
; *    notice, this list of conditions and the following disclaimer.
; * 2. Redistributions in binary form must reproduce the above copyright
; *    notice, this list of conditions and the following disclaimer in the
; *    documentation and/or other materials provided with the distribution.
; * 3. Neither the name of the author may be used to endorse or promote products
; *	  derived from this software without specific prior written permission.
; *
; * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS
; * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
; * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
; * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR
; * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
; * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
; * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
; * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
; * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
; * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
; * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
; * SUCH DAMAGE.
; *
; * For additional information send an email to marko.panger@siol.net
; *
; */
 
#define _FUNCTION(A)	.global A $ \
			.func A
;#define _GLOBAL(A) .global A
#define _ENDFUNCTION	.endfunc
#define SREG	0x3f

;/*!	\brief Globaly disable interrupts
; *
; *	Calling this function will globaly disable interrupts and return the interrupts mask register before disabling
; *	interrupts.
; *
; *	\retval Interrupts mask
; */
	_FUNCTION(INT_Disable)
INT_Disable:
    in      r24, SREG
    cli    
    ret    
    _ENDFUNCTION

;/*!	\brief Globaly enable interrupts
; *
; *	Calling this function will globaly enable interrupts. 
; */
	_FUNCTION(INT_Enable)
INT_Enable:    
    reti
	 _ENDFUNCTION

;/*!	\brief Globaly restore interrupts
; *
; *	Calling this function will restore the interrupts state as were before calling the disable function.
; *	\param flags interrupts state before disabling them
; */
	_FUNCTION(INT_Restore)
INT_Restore:        
        sbrs    r24, 7              ; GIMSK = bit 7           
        ret
        reti
    _ENDFUNCTION
